<template>
  <div>
    <el-upload class="upload-demo" action="https://jsonplaceholder.typicode.com/posts/" :on-preview="handlePreview"
      :on-remove="handleRemove" :before-remove="beforeRemove" multiple :limit="3" :on-exceed="handleExceed"
      :file-list="fileList">
      <el-button size="small" type="primary">点击上传</el-button>
      <!-- <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div> -->
    </el-upload>
  </div>
</template>
<script>
export default {
  data() {
    return {
      fileList: [
        { name: '酉阳区土地复垦义务人验收申请单.xls', url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100' },
    ]
    };
  },
  methods: {
    handleRemove(file, fileList) {
      console.log(file, fileList);
    },
    handlePreview(file) {
      console.log(file);
    },
    handleExceed(files, fileList) {
      this.$message.warning(`当前限制选择 3 个文件，本次选择了 ${files.length} 个文件，共选择了 ${files.length + fileList.length} 个文件`);
    },
    beforeRemove(file, fileList) {
      return this.$confirm(`确定移除 ${file.name}？`);
    }
  }
}
</script>